CA1019385A - Instant warm-up heater cathode - Google Patents

Instant warm-up heater cathode

Info

Publication number
CA1019385A
CA1019385A CA194,882A CA194882A CA1019385A CA 1019385 A CA1019385 A CA 1019385A CA 194882 A CA194882 A CA 194882A CA 1019385 A CA1019385 A CA 1019385A
Authority
CA
Canada
Prior art keywords
heater cathode
instant warm
instant
warm
cathode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA194,882A
Other languages
English (en)
Inventor
Eberhard Nill
Peter Schmidt
Wolfram Andre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of CA1019385A publication Critical patent/CA1019385A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/04—Cathodes
CA194,882A 1973-03-20 1974-03-13 Instant warm-up heater cathode Expired CA1019385A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2313911A DE2313911B2 (de) 1973-03-20 1973-03-20 Schnell anheizende Kathode für Kathodenstrahlröhren

Publications (1)

Publication Number Publication Date
CA1019385A true CA1019385A (en) 1977-10-18

Family

ID=5875360

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,882A Expired CA1019385A (en) 1973-03-20 1974-03-13 Instant warm-up heater cathode

Country Status (13)

Country Link
US (1) US3895249A (enrdf_load_stackoverflow)
JP (1) JPS559127B2 (enrdf_load_stackoverflow)
BE (1) BE812531A (enrdf_load_stackoverflow)
CA (1) CA1019385A (enrdf_load_stackoverflow)
CS (1) CS202174A2 (enrdf_load_stackoverflow)
DD (1) DD110974A5 (enrdf_load_stackoverflow)
DE (1) DE2313911B2 (enrdf_load_stackoverflow)
ES (1) ES424449A1 (enrdf_load_stackoverflow)
FR (1) FR2222747B1 (enrdf_load_stackoverflow)
GB (1) GB1436986A (enrdf_load_stackoverflow)
NL (1) NL7403571A (enrdf_load_stackoverflow)
PL (1) PL92465B1 (enrdf_load_stackoverflow)
RO (1) RO64641A (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614270C2 (de) * 1976-04-02 1982-04-15 Standard Elektrik Lorenz Ag, 7000 Stuttgart Kathodenaufbau
DE2654554C2 (de) * 1976-12-02 1983-04-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart Pilzkathode für Kathodenstrahlröhren
DE2704870C3 (de) * 1977-02-05 1980-12-18 Bayer Ag, 5090 Leverkusen Strahlungsbeheizter Ofen
US4184100A (en) * 1977-03-29 1980-01-15 Tokyo Shibaura Electric Co., Ltd. Indirectly-heated cathode device for electron tubes
DE2846796C2 (de) * 1978-10-27 1982-08-12 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren zum Befestigen des Kathodenhalters einer Schnellheizkathode
JPS6036056B2 (ja) * 1979-06-21 1985-08-17 株式会社東芝 陰極構体
DE2938248A1 (de) * 1979-09-21 1981-03-26 Standard Elektrik Lorenz AG, 70435 Stuttgart Heizelement fuer eine indirekt geheizte kathode
DE3029853C2 (de) * 1980-08-07 1982-08-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Indirekt durch Elektronenstoß geheizte Wehneltkathode
DE3145167A1 (de) * 1981-11-13 1983-05-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung mit einer thermionischen emissionskathode
US4554480A (en) * 1983-11-29 1985-11-19 Rca Corporation Cathode-ray tube having an electron gun assembly with emissivity modifying means
US4675573A (en) * 1985-08-23 1987-06-23 Varian Associates, Inc. Method and apparatus for quickly heating a vacuum tube cathode
JPH11185649A (ja) 1997-12-22 1999-07-09 Hitachi Ltd 陰極線管の傍熱型陰極構体
KR100310683B1 (ko) * 1999-09-08 2001-10-18 김순택 전자총의 음극구조체와 이의 제조방법
JP2001195997A (ja) 2000-01-11 2001-07-19 Hitachi Ltd 陰極線管

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507812A (en) * 1945-08-17 1950-05-16 Cossor Ltd A C Thermionic cathode
US2914694A (en) * 1957-10-04 1959-11-24 Rca Corp Cathode assembly
FR1364978A (fr) * 1962-07-30 1964-06-26 Philips Nv Procédé pour recouvrir d'une couche isolante à rayonnement noir le filament d'unecathode à chauffage indirect
US3450565A (en) * 1964-12-18 1969-06-17 Sylvania Electric Prod Method of coating heater coils
US3376461A (en) * 1964-12-28 1968-04-02 Varian Associates Thermionic cathodes and high frequency electron discharge devices
NL6513665A (enrdf_load_stackoverflow) * 1965-10-22 1967-04-24

Also Published As

Publication number Publication date
DE2313911A1 (de) 1974-10-03
FR2222747A1 (enrdf_load_stackoverflow) 1974-10-18
BE812531A (nl) 1974-09-20
JPS49123569A (enrdf_load_stackoverflow) 1974-11-26
US3895249A (en) 1975-07-15
NL7403571A (enrdf_load_stackoverflow) 1974-09-24
GB1436986A (en) 1976-05-26
DD110974A5 (enrdf_load_stackoverflow) 1975-01-12
CS202174A2 (en) 1991-06-11
JPS559127B2 (enrdf_load_stackoverflow) 1980-03-07
ES424449A1 (es) 1976-06-16
FR2222747B1 (enrdf_load_stackoverflow) 1979-01-26
DE2313911B2 (de) 1975-09-25
PL92465B1 (enrdf_load_stackoverflow) 1977-04-30
RO64641A (fr) 1978-12-15

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